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Finding the Third Proportional to 79,803 and 121,435.50

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Solution

The third proportional to 79,803 and 121,435.50 is: 184,787.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,803 : 121,435.50 = 121,435.50 : x
  2. Step 2: Convert to fraction form
    79,803/121,435.50 = 121,435.50/x
  3. Step 3: Cross multiply
    79,803x = 121,435.50 × 121,435.50
  4. Step 4: Simplify right side
    79,803x = 14,746,580,660.25
  5. Step 5: Solve for x
    x = 14,746,580,660.25/79,803
  6. Step 6: Final answer
    x = 184,787.30

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.